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1231261-80-5

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1231261-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1231261-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,2,6 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1231261-80:
(9*1)+(8*2)+(7*3)+(6*1)+(5*2)+(4*6)+(3*1)+(2*8)+(1*0)=105
105 % 10 = 5
So 1231261-80-5 is a valid CAS Registry Number.

1231261-80-5Downstream Products

1231261-80-5Relevant articles and documents

Aryl phosphoramides: useful electrophiles for suzuki-miyaura coupling catalyzed by a NiCl2/dppp system (dppp=1,3-bis(diphenylphosphino) propane)

Zhao, Yu-Long,Li, You,Li, Yu,Gao, Lian-Xun,Han, Fu-She

supporting information; experimental part, p. 4991 - 4994 (2010/08/05)

Chemical Equation presantation Suzuki-Miyaura coupling: We disclose a new strategy for phenol activation in the first Suzuki-Miyaura coupling of phenol derivatives activated by forming aryl bis(2-oxo-3-oxazolidinyl)phosphines as a highly efficient and broadly applicable methodology for the diverse synthesis of biaryls and heterobiaryls (see scheme). The use of readily available, stable NiCl2/dppp as the catalyst system also provides an important advance.

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